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Finding the Third Proportional to 9,840.23 and 14,809.71

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Solution

The third proportional to 9,840.23 and 14,809.71 is: 22,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.23 : 14,809.71 = 14,809.71 : x
  2. Step 2: Convert to fraction form
    9,840.23/14,809.71 = 14,809.71/x
  3. Step 3: Cross multiply
    9,840.23x = 14,809.71 × 14,809.71
  4. Step 4: Simplify right side
    9,840.23x = 219,327,538.05
  5. Step 5: Solve for x
    x = 219,327,538.05/9,840.23
  6. Step 6: Final answer
    x = 22,288.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.